The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

We all grew up learning that we live on the Earth’s crust, which is just a thin layer above the mantle. Beneath that, the outer core surrounds the inner core, and… well, that’s it ...

Scientists have always been curious about the atmosphere surrounding us, but in the past, they could not just hop on a spaceship to see what was up there. Instead, scientists hiked up high ...

It seems as if Earth's atmosphere is incredibly thin, wrapped tightly around our planet. In fact, the atmosphere consists of multiple layers, with some scientists of the opinion that the atmosphere ...

Earth’s atmosphere comprises multiple layers, each with its own role ... Ozone’s importance alone isn’t why it’s in the headlines all the time. If you’ve glanced at a newspaper or ...

Many parts of Earth are covered and protected by a layer of organisms called a biocrust. The layer acts as a skin for the Earth, protecting landscapes and reducing long-term damage. But climate ...